Messages in this thread Patch in this message | | | Date | Tue, 15 Nov 2005 00:07:39 +0100 | From | Pavel Machek <> | Subject | [patch] Partial support for mtd on collie |
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This adds support for sharp collie. I probably got regions wrong, because chip can not be written to, but readonly support is still better than no support at all.
Signed-off-by: Pavel Machek <pavel@suse.cz>
diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c --- a/drivers/mtd/chips/jedec_probe.c +++ b/drivers/mtd/chips/jedec_probe.c @@ -25,6 +25,8 @@ #include <linux/mtd/cfi.h> #include <linux/mtd/gen_probe.h> +#define DEBUG(a, b...) printk(b) + /* Manufacturers */ #define MANUFACTURER_AMD 0x0001 #define MANUFACTURER_ATMEL 0x001f @@ -34,6 +36,7 @@ #define MANUFACTURER_MACRONIX 0x00C2 #define MANUFACTURER_NEC 0x0010 #define MANUFACTURER_PMC 0x009D +#define MANUFACTURER_SHARP 0x00b0 #define MANUFACTURER_SST 0x00BF #define MANUFACTURER_ST 0x0020 #define MANUFACTURER_TOSHIBA 0x0098 @@ -124,6 +127,9 @@ #define PM49FL004 0x006E #define PM49FL008 0x006A +/* Sharp */ +#define LH28F640BF 0x00b0 + /* ST - www.st.com */ #define M29W800DT 0x00D7 #define M29W800DB 0x005B @@ -271,6 +277,19 @@ struct amd_flash_info { */ static const struct amd_flash_info jedec_table[] = { { + .mfr_id = MANUFACTURER_SHARP, + .dev_id = LH28F640BF, + .name = "LH28F640BF", + .uaddr = { + [0] = MTD_UADDR_UNNECESSARY, /* x8 */ + }, + .DevSize = SIZE_4MiB, + .CmdSet = P_ID_INTEL_STD, + .NumEraseRegions= 1, + .regions = { + ERASEINFO(0x40000,16), + } + }, { .mfr_id = MANUFACTURER_AMD, .dev_id = AM29F032B, .name = "AMD AM29F032B", diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c --- a/drivers/mtd/maps/sa1100-flash.c +++ b/drivers/mtd/maps/sa1100-flash.c @@ -211,6 +211,9 @@ static int sa1100_probe_subdev(struct sa goto err; } subdev->mtd->owner = THIS_MODULE; +#ifdef CONFIG_SA1100_COLLIE + subdev->mtd->unlock(subdev->mtd, 0xc0000, subdev->mtd->size - 0xc0000); +#endif printk(KERN_INFO "SA1100 flash: CFI device at 0x%08lx, %dMiB, " "%d-bit\n", phys, subdev->mtd->size >> 20, -- Thanks, Sharp! - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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